diff --git a/Makefile.defs b/Makefile.defs
index 2ee4403..51ed428 100644
--- a/Makefile.defs
+++ b/Makefile.defs
@@ -150,7 +150,7 @@ libswscale.so.2[LIBSWSCALE_2][64bit] = libswscale-ffmpeg
 libpostproc.so.52[][64bit] = libpostproc-ffmpeg
 libpostproc.so.52[LIBPOSTPROC_52][64bit] = libpostproc-ffmpeg
 libswresample.so.0[][64bit] = libswresample-ffmpeg
-libswresample.so.0[][LIBSWRESAMPLE_0] = libswresample-ffmpeg
+libswresample.so.0[LIBSWRESAMPLE_0][64bit] = libswresample-ffmpeg
 else
 libGL.so.1 = libGL-Mesa-dri
 libGLU.so.1 = libGL-Mesa-dri